Gram Lights 57DR 15x8 +28 4x100 *Set of 4* System Motorsports 15x8.0 Gram Lights 57DR Sunlight Silver Gram Lights 57DR 15x8 +35 4x100 White GRAM LIGHTS 57DR X 2122 Limited Edition 17X8.5 +0 OFFSET 6X139.7 ARMS Rays Gram Lights 57DR 15x8 4x100 Speed Science. This Gram Light 57DR is the most affordable wheel made by Rays Engineering. When making this design, Rays optimized the design and construct while still ensuring proper strength and rigidity. The 57DR is a cast wheel, so it will be heavier than Forged and other Flow Formed Wheels, however, this semi gloss black wheel is meant to withstand the abuse of the track and is just as strong if not stronger than any wheel out there. Cast one piece wheel meeting JWL + R Spec 1 standards Modeled after the 57D, but exclusive to the American Market High rigidity high strength models suitable for Racing Gunblue High speed air valve included Optional center caps sold separately Made by Rays Co., Ltd. in Japan